Home / 19,282.36-28,923.40-9,925

Finding the Fourth Proportional to 19,282.36, 28,923.40 and 9,925

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Solution

The fourth proportional to 19,282.36, 28,923.40 and 9,925 is: 14,887.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,282.36 : 28,923.40 = 9,925 : x
  2. Step 2: Convert to fraction form
    19,282.36/28,923.40 = 9,925/x
  3. Step 3: Cross multiply
    19,282.36x = 28,923.40 × 9,925
  4. Step 4: Simplify right side
    19,282.36x = 287,064,745
  5. Step 5: Solve for x
    x = 287,064,745/19,282.36
  6. Step 6: Final answer
    x = 14,887.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.